Emergency Brake Problem

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rednecks70

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Long story short...the e-brake shoes and hardware rusted so bad the driver's side came apart while driving, passenger side stayed together but is also rusted. I replaced everything (brake shoes, hardware, backing plate, rotors, pads). The problem I have is the e-brake shoe(s) are rubbing the rotor even if I adjust them all the way in, can only hear it rubbing going forward below 30mph. I have searched for days to verify the springs on the e-brake shoes are installed correctly and find conflicting information.

Can anybody with 100% certainty tell me if the setup in the pictures is correct? I will upload a picture of the before as well for reference, I can't image it has been wrong since I owned the truck (over 10 years) without making noise. Please don't take this the wrong way...if you're just guessing please refrain from replying. I have already spent countless hours researching and had this apart several times, obviously super frustrated at this point. I had a mechanic adjust the e-brake as well and it still makes noise.

Greatly appreciate your time and assistance.
 

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turkeybird56

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I cannot tell in the photo. On the shoes, do U have the "shorter" pad in the front position (towards front), and longer pad in the rear???
The brake star adjuster on the new setup looks like it is not sitting in the well properly but is canted up at an angle.

All I can see in photo?

Did you check the cable and insure not hanging up, lube the cable?

Did you have the drum cut??? With all the rust, you may need to get the drum resurfaced as long as you do not go below the minimum size.

Just skerry thoughts on the matter, BEEN a long time since I did drum brakes on anything.
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Yes, in a rear drum brake application, the two pads (or shoes) are typically of different sizes, with one being longer (the secondary shoe) and the other shorter (the primary shoe). This design helps optimize braking performance and allows for effective operation of the parking brake.
wikipedia.png Wikipedia thirdgen.org

Rear Drum Brake Shoe Sizes​

In a rear drum brake system, the two brake shoes are indeed of different sizes. This design is intentional and serves specific functions.

Shoe Design​

  • Primary Shoe: This is the shorter shoe, located toward the front of the vehicle.
  • Secondary Shoe: This is the longer shoe, positioned at the rear.

Purpose of Different Sizes​

  • Braking Performance: The different sizes help optimize braking efficiency. The longer secondary shoe provides more surface area for friction, enhancing stopping power.
  • Parking Brake Functionality: The design allows for effective operation of the parking brake. The secondary shoe engages more effectively when the vehicle is stationary or on an incline.

Summary of Shoe Characteristics​

Shoe TypeSizePositionFunctionality
Primary ShoeShorterFront of vehicleInitial engagement and braking force
Secondary ShoeLongerRear of vehicleEnhanced braking power and parking brake
This configuration is common in many rear drum brake applications, ensuring both effective braking and reliable parking capabilities.
 
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rednecks70

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This is not a "drum brake" setup, the truck has 4 wheel disc brakes and the rear rotors have a "hat" or "drum like" area for the e-brake shoes. The brake shoes are used for the emergency brake only.
 

turkeybird56

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This is not a "drum brake" setup, the truck has 4 wheel disc brakes and the rear rotors have a "hat" or "drum like" area for the e-brake shoes. The brake shoes are used for the emergency brake only.
OKIE, well looked like drums. Never have taken apart my system so guess been edumacated. DUH on my part, lol.
Here is what I found to watch, if not insulting yer intelligence, maybe something to look at. Trying to edumacate myself, tho my truck is a lil different.

Your star adjuster still looks like it is up at an angle not fully seated maybe causing the "shoe" to be expanded a lil catching the "DRUM"


IMG_20260701_193814538.jpg
 
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04fxdwgi

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OKIE, well looked like drums. Never have taken apart my system so guess been edumacated. DUH on my part, lol.
Here is what I found to watch, if not insulting yer intelligence, maybe something to look at. Trying to edumacate myself, tho my truck is a lil different.

Your star adjuster still looks like it is up at an angle not fully seated maybe causing the "shoe" to be expanded a lil catching the "DRUM"


View attachment 586407
Agree that the adjuster is not seated in the notch on the left side.
 
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